Pactum WDA Worldgen Balance v2
- Mantiene structure_set balanceado de v1:
  major_structures spacing 96 / separation 48
  minor_structures spacing 64 / separation 32 / exclusion_zone 16 chunks
- Corrige advancements rotos de Dungeons Arise:
  find_fishing_hut y find_thornborn_towers apuntaban a parent inexistente dungeons_arise:find_small_prairie_house.
  Ahora usan parent dungeons_arise:wda_root.
